YouTube has the potential to be used as an instructional tool in line with current trends of collaboration and social networking in education. This study was conducted to investigate how YouTube helps students in the English Language course to complete their assignments. A total of 60 students participated in this study and the quantitative data was collected via a set of questionnaire while the qualitative data through an interview session with the students. This study revealed that YouTube was very beneficial for these students to complete their assignments. The findings also indicated some of the challenges students faced when using YouTube in completing assignments especially the authenticity of the channels and the need for the instructor’s presence in guiding them. Although most students in this study acknowledged the importance of the YouTube as another medium to complete their assignment, more measures must be taken by the instructors when assignments are set.